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5e319bd5 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | /* $Id: AliADDigitizer.cxx $ */ | |
17 | ||
18 | ///_________________________________________________________________________ | |
19 | /// | |
20 | /// This class constructs Digits out of Hits | |
21 | /// | |
22 | /// | |
23 | ||
24 | // --- Standard library --- | |
25 | ||
26 | // --- ROOT system --- | |
27 | #include <TMath.h> | |
28 | #include <TTree.h> | |
29 | #include <TMap.h> | |
30 | #include <TGeoManager.h> | |
31 | #include <TGeoPhysicalNode.h> | |
32 | #include <AliGeomManager.h> | |
33 | #include <TRandom.h> | |
34 | #include <TF1.h> | |
35 | #include <TH1F.h> | |
36 | ||
37 | // --- AliRoot header files --- | |
38 | #include "AliRun.h" | |
36507bb2 | 39 | #include "AliDetector.h" |
5e319bd5 | 40 | #include "AliAD.h" |
41 | #include "AliADhit.h" | |
aa8120bb | 42 | #include "AliADConst.h" |
5e319bd5 | 43 | #include "AliRunLoader.h" |
44 | #include "AliLoader.h" | |
45 | #include "AliGRPObject.h" | |
46 | #include "AliDigitizationInput.h" | |
47 | #include "AliCDBManager.h" | |
48 | #include "AliCDBStorage.h" | |
49 | #include "AliCDBEntry.h" | |
aa8120bb | 50 | #include "AliADCalibData.h" |
5e319bd5 | 51 | #include "AliCTPTimeParams.h" |
52 | #include "AliLHCClockPhase.h" | |
53 | #include "AliADdigit.h" | |
54 | #include "AliADDigitizer.h" | |
aa8120bb | 55 | #include "AliADSDigit.h" |
5e319bd5 | 56 | |
57 | ClassImp(AliADDigitizer) | |
58 | ||
aa8120bb | 59 | //____________________________________________________________________________ |
60 | AliADDigitizer::AliADDigitizer() | |
61 | :AliDigitizer(), | |
62 | fCalibData(GetCalibData()), | |
63 | fNdigits(0), | |
64 | fDigits(0), | |
65 | fSignalShape(NULL), | |
66 | fPMResponse(NULL), | |
67 | fSinglePhESpectrum(NULL), | |
68 | fEvenOrOdd(kFALSE), | |
69 | fTask(kHits2Digits), | |
70 | fAD(NULL) | |
5e319bd5 | 71 | { |
72 | // default constructor | |
aa8120bb | 73 | // Initialize OCDB and containers used in the digitization |
74 | ||
75 | Init(); | |
5e319bd5 | 76 | } |
77 | ||
78 | //____________________________________________________________________________ | |
aa8120bb | 79 | AliADDigitizer::AliADDigitizer(AliAD *AD, DigiTask_t task) |
80 | :AliDigitizer(), | |
81 | fCalibData(GetCalibData()), | |
82 | fNdigits(0), | |
83 | fDigits(0), | |
84 | fSignalShape(NULL), | |
85 | fPMResponse(NULL), | |
86 | fSinglePhESpectrum(NULL), | |
87 | fEvenOrOdd(kFALSE), | |
88 | fTask(task), | |
89 | fAD(AD) | |
90 | { | |
91 | // constructor | |
92 | // Initialize OCDB and containers used in the digitization | |
93 | ||
94 | Init(); | |
95 | } | |
96 | ||
97 | //____________________________________________________________________________ | |
98 | AliADDigitizer::AliADDigitizer(AliDigitizationInput* digInput) | |
99 | :AliDigitizer(digInput), | |
100 | fCalibData(GetCalibData()), | |
101 | fNdigits(0), | |
102 | fDigits(0), | |
103 | fSignalShape(NULL), | |
104 | fPMResponse(NULL), | |
105 | fSinglePhESpectrum(NULL), | |
106 | fEvenOrOdd(kFALSE), | |
107 | fTask(kHits2Digits), | |
108 | fAD(NULL) | |
5e319bd5 | 109 | { |
110 | // constructor | |
aa8120bb | 111 | // Initialize OCDB and containers used in the digitization |
112 | ||
113 | Init(); | |
5e319bd5 | 114 | } |
115 | ||
116 | //____________________________________________________________________________ | |
aa8120bb | 117 | AliADDigitizer::~AliADDigitizer() |
5e319bd5 | 118 | { |
119 | // destructor | |
120 | ||
121 | if (fDigits) { | |
122 | fDigits->Delete(); | |
123 | delete fDigits; | |
124 | fDigits=0; | |
125 | } | |
126 | ||
aa8120bb | 127 | if (fSignalShape) { |
128 | delete fSignalShape; | |
129 | fSignalShape = NULL; | |
130 | } | |
131 | if (fPMResponse) { | |
132 | delete fPMResponse; | |
133 | fPMResponse = NULL; | |
134 | } | |
135 | if (fSinglePhESpectrum) { | |
136 | delete fSinglePhESpectrum; | |
137 | fSinglePhESpectrum = NULL; | |
138 | } | |
139 | ||
140 | for(Int_t i = 0 ; i < 16; ++i) { | |
141 | if (fTime[i]) delete [] fTime[i]; | |
142 | } | |
5e319bd5 | 143 | } |
144 | ||
145 | //____________________________________________________________________________ | |
146 | Bool_t AliADDigitizer::Init() | |
147 | { | |
aa8120bb | 148 | // Initialises the digitizer |
149 | // Initialize OCDB and containers used in the digitization | |
150 | ||
151 | // check if the digitizer was already initialized | |
152 | if (fSignalShape) return kTRUE; | |
153 | ||
154 | fSignalShape = new TF1("ADSignalShape",this,&AliADDigitizer::SignalShape,0,200,6,"AliADDigitizer","SignalShape"); | |
155 | // fSignalShape->SetParameters(0,1.57345e1,-4.25603e-1,2.9,6.40982,3.69339e-01); | |
156 | // fSignalShape->SetParameters(1.34330e+00,1.13007e+02,-4.95705e-01, | |
157 | // 3.68911e+00,1.01040e+00, 3.94675e-01); | |
158 | fSignalShape->SetParameters(-1.07335e+00,2.16002e+01,-1.26133e-01, | |
159 | 1.41619e+00,5.50334e-01,3.86111e-01); | |
160 | fPMResponse = new TF1("ADPMResponse",this,&AliADDigitizer::PMResponse,-kPMRespTime,2.*kPMRespTime,0,"AliADDigitizer","PMResponse"); | |
161 | fSinglePhESpectrum = new TF1("ADSinglePhESpectrum",this,&AliADDigitizer::SinglePhESpectrum,0,20,0,"AliADDigitizer","SinglePhESpectrum"); | |
162 | ||
163 | // Now get the CTP L0->L1 delay | |
164 | AliCDBEntry *entry = AliCDBManager::Instance()->Get("GRP/CTP/CTPtiming"); | |
165 | if (!entry) AliFatal("CTP timing parameters are not found in OCDB !"); | |
166 | AliCTPTimeParams *ctpParams = (AliCTPTimeParams*)entry->GetObject(); | |
167 | Float_t l1Delay = (Float_t)ctpParams->GetDelayL1L0()*25.0; | |
168 | ||
169 | AliCDBEntry *entry1 = AliCDBManager::Instance()->Get("GRP/CTP/TimeAlign"); | |
170 | if (!entry1) AliFatal("CTP time-alignment is not found in OCDB !"); | |
171 | AliCTPTimeParams *ctpTimeAlign = (AliCTPTimeParams*)entry1->GetObject(); | |
172 | l1Delay += ((Float_t)ctpTimeAlign->GetDelayL1L0()*25.0); | |
173 | ||
174 | AliCDBEntry *entry2 = AliCDBManager::Instance()->Get("VZERO/Calib/TimeDelays"); | |
175 | if (!entry2) AliFatal("AD time delays are not found in OCDB !"); | |
176 | TH1F *delays = (TH1F*)entry2->GetObject(); | |
177 | ||
178 | AliCDBEntry *entry3 = AliCDBManager::Instance()->Get("GRP/Calib/LHCClockPhase"); | |
179 | if (!entry3) AliFatal("LHC clock-phase shift is not found in OCDB !"); | |
180 | AliLHCClockPhase *phase = (AliLHCClockPhase*)entry3->GetObject(); | |
181 | ||
182 | for(Int_t i = 0 ; i < 16; ++i) { | |
183 | ||
184 | for(Int_t j = 0; j < kNClocks; ++j) fAdc[i][j] = 0; | |
185 | fLeadingTime[i] = fTimeWidth[i] = 0; | |
186 | ||
187 | fPmGain[i] = fCalibData->GetGain(i); | |
188 | ||
189 | fAdcPedestal[i][0] = fCalibData->GetPedestal(i); | |
190 | fAdcSigma[i][0] = fCalibData->GetSigma(i); | |
191 | fAdcPedestal[i][1] = fCalibData->GetPedestal(i+16); | |
192 | fAdcSigma[i][1] = fCalibData->GetSigma(i+16); | |
193 | ||
194 | Int_t board = AliADCalibData::GetBoardNumber(i); | |
195 | fNBins[i] = TMath::Nint(((Float_t)(fCalibData->GetMatchWindow(board)+1)*25.0+ | |
196 | (Float_t)kMaxTDCWidth*fCalibData->GetWidthResolution(board))/ | |
197 | fCalibData->GetTimeResolution(board)); | |
198 | fNBinsLT[i] = TMath::Nint(((Float_t)(fCalibData->GetMatchWindow(board)+1)*25.0)/ | |
199 | fCalibData->GetTimeResolution(board)); | |
200 | fBinSize[i] = fCalibData->GetTimeResolution(board); | |
201 | fHptdcOffset[i] = (((Float_t)fCalibData->GetRollOver(board)- | |
202 | (Float_t)fCalibData->GetTriggerCountOffset(board))*25.0+ | |
203 | fCalibData->GetTimeOffset(i)- | |
204 | l1Delay- | |
205 | phase->GetMeanPhase()+ | |
206 | delays->GetBinContent(i+1)+ | |
207 | kV0Offset); | |
208 | fClockOffset[i] = (((Float_t)fCalibData->GetRollOver(board)- | |
209 | (Float_t)fCalibData->GetTriggerCountOffset(board))*25.0+ | |
210 | fCalibData->GetTimeOffset(i)- | |
211 | l1Delay+ | |
212 | kV0Offset); | |
213 | ||
214 | fTime[i] = new Float_t[fNBins[i]]; | |
215 | memset(fTime[i],0,fNBins[i]*sizeof(Float_t)); | |
216 | ||
217 | // AliWarning(Form("PMT %d,PM gain %f, fNBins %d, TimeBinSize %f,",i, fPmGain[i], fNBins[i],fBinSize[i])); | |
218 | ||
219 | } | |
220 | ||
221 | return kTRUE; | |
222 | ||
5e319bd5 | 223 | } |
5e319bd5 | 224 | |
aa8120bb | 225 | //____________________________________________________________________________ |
5e319bd5 | 226 | void AliADDigitizer::Digitize(Option_t* /*option*/) |
227 | { | |
228 | // Creates digits from hits | |
aa8120bb | 229 | fNdigits = 0; |
230 | ||
231 | if (fAD && !fDigInput) { | |
232 | AliLoader *loader = fAD->GetLoader(); | |
233 | if (!loader) { | |
234 | AliError("Can not get AD Loader via AliAD object!"); | |
235 | return; | |
236 | } | |
237 | AliRunLoader* runLoader = AliRunLoader::Instance(); | |
238 | for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); ++iEvent) { | |
239 | runLoader->GetEvent(iEvent); | |
240 | if (fTask == kHits2Digits) { | |
241 | DigitizeHits(); | |
242 | DigitizeSDigits(); | |
243 | WriteDigits(loader); | |
244 | } | |
245 | else { | |
246 | DigitizeHits(); | |
247 | WriteSDigits(loader); | |
248 | } | |
249 | } | |
250 | } | |
251 | else if (fDigInput) { | |
252 | ReadSDigits(); | |
253 | DigitizeSDigits(); | |
254 | AliRunLoader *currentLoader = AliRunLoader::GetRunLoader(fDigInput->GetOutputFolderName()); | |
255 | AliLoader *loader = currentLoader->GetLoader("ADLoader"); | |
256 | if (!loader) { | |
257 | AliError("Cannot get AD Loader via RunDigitizer!"); | |
258 | return; | |
259 | } | |
260 | WriteDigits(loader); | |
261 | } | |
262 | else { | |
263 | AliFatal("Invalid digitization task! Exiting!"); | |
264 | } | |
265 | } | |
266 | ||
267 | //____________________________________________________________________________ | |
268 | void AliADDigitizer::DigitizeHits() | |
269 | { | |
270 | // Digitize the hits to the level of | |
271 | // SDigits (fTime arrays) | |
272 | ||
273 | for(Int_t i = 0 ; i < 16; ++i) { | |
274 | memset(fTime[i],0,fNBins[i]*sizeof(Float_t)); | |
275 | fLabels[i][0] = fLabels[i][1] = fLabels[i][2] = -1; | |
276 | } | |
277 | Float_t integral = fPMResponse->Integral(-kPMRespTime,2.*kPMRespTime); | |
278 | Float_t meansPhE = fSinglePhESpectrum->Mean(0,20); | |
279 | ||
280 | AliLoader* loader = fAD->GetLoader(); | |
281 | if (!loader) { | |
282 | AliError("Can not get AD Loader!"); | |
283 | return; | |
284 | } | |
285 | loader->LoadHits(); | |
286 | TTree* treeH = loader->TreeH(); | |
287 | if (!treeH) { | |
288 | AliError("Cannot get TreeH!"); | |
289 | return; | |
290 | } | |
291 | TClonesArray* hits = fAD->Hits(); | |
292 | ||
293 | // Now makes Digits from hits | |
294 | Int_t nTracks = (Int_t) treeH->GetEntries(); | |
295 | for (Int_t iTrack = 0; iTrack < nTracks; iTrack++) { | |
296 | fAD->ResetHits(); | |
297 | treeH->GetEvent(iTrack); | |
298 | Int_t nHits = hits->GetEntriesFast(); | |
299 | for (Int_t iHit = 0; iHit < nHits; iHit++) { | |
300 | AliADhit* hit = (AliADhit *)hits->UncheckedAt(iHit); | |
301 | Int_t nPhot = hit->GetNphot(); | |
302 | Int_t pmt = hit->GetCell();//One PM per cell in AD | |
303 | if (pmt < 0) continue; | |
304 | Int_t trackLabel = hit->GetTrack(); | |
305 | for(Int_t l = 0; l < 3; ++l) { | |
306 | if (fLabels[pmt][l] < 0) { | |
307 | fLabels[pmt][l] = trackLabel; | |
308 | break; | |
309 | } | |
310 | } | |
311 | Float_t dt_scintillator = gRandom->Gaus(0,kIntTimeRes); | |
312 | Float_t t = dt_scintillator + hit->GetTof(); | |
313 | //if (pmt < 32) t += kV0CDelayCables; | |
314 | t += fHptdcOffset[pmt]; | |
315 | Int_t nPhE; | |
316 | Float_t prob = fCalibData->GetLightYields(pmt)*kPhotoCathodeEfficiency; // Optical losses included! | |
317 | if (nPhot > 100) | |
318 | nPhE = (Int_t)gRandom->Gaus(prob*Float_t(nPhot)+0.5, | |
319 | sqrt(Float_t(nPhot)*prob*(1.-prob))); | |
320 | else | |
321 | nPhE = gRandom->Binomial(nPhot,prob); | |
322 | Float_t charge = TMath::Qe()*fPmGain[pmt]*fBinSize[pmt]/integral; | |
323 | ||
324 | ||
325 | for (Int_t iPhE = 0; iPhE < nPhE; ++iPhE) { | |
326 | Float_t tPhE = t + fSignalShape->GetRandom(0,fBinSize[pmt]*Float_t(fNBins[pmt])); | |
327 | Float_t gainVar = fSinglePhESpectrum->GetRandom(0,20)/meansPhE; | |
328 | Int_t firstBin = TMath::Max(0,(Int_t)((tPhE-kPMRespTime)/fBinSize[pmt])); | |
329 | Int_t lastBin = TMath::Min(fNBins[pmt]-1,(Int_t)((tPhE+2.*kPMRespTime)/fBinSize[pmt])); | |
330 | for(Int_t iBin = firstBin; iBin <= lastBin; ++iBin) { | |
331 | Float_t tempT = fBinSize[pmt]*(0.5+iBin)-tPhE; | |
332 | fTime[pmt][iBin] += gainVar*charge*fPMResponse->Eval(tempT); | |
333 | } | |
334 | } // ph.e. loop | |
335 | } // hit loop | |
336 | } // track loop | |
337 | loader->UnloadHits(); | |
338 | } | |
5e319bd5 | 339 | |
aa8120bb | 340 | //____________________________________________________________________________ |
341 | void AliADDigitizer::DigitizeSDigits() | |
342 | { | |
343 | // Digitize the fTime arrays (SDigits) to the level of | |
344 | // Digits (fAdc arrays) | |
345 | for(Int_t i = 0 ; i < 16; ++i) { | |
346 | for(Int_t j = 0; j < kNClocks; ++j) fAdc[i][j] = 0; | |
347 | fLeadingTime[i] = fTimeWidth[i] = 0; | |
348 | } | |
5e319bd5 | 349 | |
aa8120bb | 350 | Float_t maximum = 0.9*fSignalShape->GetMaximum(0,200); // Not exact, one needs to do this on the convoluted |
351 | Float_t integral2 = fSignalShape->Integral(0,200); // function. Anyway the effect is small <10% on the 2.5 ADC thr | |
352 | for (Int_t ipmt = 0; ipmt < 16; ++ipmt) { | |
353 | Float_t thr = fCalibData->GetCalibDiscriThr(ipmt,kFALSE)*kChargePerADC*maximum*fBinSize[ipmt]/integral2; | |
354 | //Float_t thr = 1e-25; | |
355 | ||
356 | Bool_t ltFound = kFALSE, ttFound = kFALSE; | |
357 | for (Int_t iBin = 0; iBin < fNBins[ipmt]; ++iBin) { | |
358 | Float_t t = fBinSize[ipmt]*Float_t(iBin); | |
359 | ||
360 | if (fTime[ipmt][iBin] > thr) { | |
361 | if (!ltFound && (iBin < fNBinsLT[ipmt])) { | |
362 | ltFound = kTRUE; | |
363 | fLeadingTime[ipmt] = t; | |
5e319bd5 | 364 | } |
aa8120bb | 365 | } |
366 | else { | |
367 | if (ltFound) { | |
368 | if (!ttFound) { | |
369 | ttFound = kTRUE; | |
370 | fTimeWidth[ipmt] = t - fLeadingTime[ipmt]; | |
371 | } | |
5e319bd5 | 372 | } |
aa8120bb | 373 | } |
374 | Float_t tadc = t - fClockOffset[ipmt]; | |
375 | Int_t clock = kNClocks/2 - Int_t(tadc/25.0); | |
376 | if (clock >= 0 && clock < kNClocks) | |
377 | fAdc[ipmt][clock] += fTime[ipmt][iBin]/kChargePerADC; | |
378 | } | |
379 | AliDebug(1,Form("Channel %d Offset %f Time %f",ipmt,fClockOffset[ipmt],fLeadingTime[ipmt])); | |
380 | Int_t board = AliADCalibData::GetBoardNumber(ipmt); | |
381 | if (ltFound && ttFound) { | |
382 | fTimeWidth[ipmt] = fCalibData->GetWidthResolution(board)* | |
383 | Float_t(Int_t(fTimeWidth[ipmt]/fCalibData->GetWidthResolution(board))); | |
384 | if (fTimeWidth[ipmt] < Float_t(kMinTDCWidth)*fCalibData->GetWidthResolution(board)) | |
385 | fTimeWidth[ipmt] = Float_t(kMinTDCWidth)*fCalibData->GetWidthResolution(board); | |
386 | if (fTimeWidth[ipmt] > Float_t(kMaxTDCWidth)*fCalibData->GetWidthResolution(board)) | |
387 | fTimeWidth[ipmt] = Float_t(kMaxTDCWidth)*fCalibData->GetWidthResolution(board); | |
388 | } | |
389 | } | |
390 | ||
391 | fEvenOrOdd = gRandom->Integer(2); | |
392 | for (Int_t j=0; j<16; ++j){ | |
393 | for (Int_t iClock = 0; iClock < kNClocks; ++iClock) { | |
394 | Int_t integrator = (iClock + fEvenOrOdd) % 2; | |
395 | AliDebug(1,Form("ADC %d %d %f",j,iClock,fAdc[j][iClock])); | |
396 | fAdc[j][iClock] += gRandom->Gaus(fAdcPedestal[j][integrator], fAdcSigma[j][integrator]); | |
397 | } | |
398 | } | |
399 | ||
400 | } | |
401 | ||
402 | //____________________________________________________________________________ | |
403 | void AliADDigitizer::ReadSDigits() | |
404 | { | |
405 | // Read SDigits which are then to precessed | |
406 | // in the following method | |
407 | for(Int_t i = 0 ; i < 16; ++i) { | |
408 | memset(fTime[i],0,fNBins[i]*sizeof(Float_t)); | |
409 | fLabels[i][0] = fLabels[i][1] = fLabels[i][2] = -1; | |
410 | } | |
411 | ||
412 | // Loop over input files | |
413 | Int_t nFiles= fDigInput->GetNinputs(); | |
414 | for (Int_t inputFile = 0; inputFile < nFiles; inputFile++) { | |
415 | // Get the current loader | |
416 | AliRunLoader* currentLoader = | |
417 | AliRunLoader::GetRunLoader(fDigInput->GetInputFolderName(inputFile)); | |
418 | ||
419 | AliLoader *loader = currentLoader->GetLoader("ADLoader"); | |
420 | loader->LoadSDigits("READ"); | |
5e319bd5 | 421 | |
aa8120bb | 422 | // Get the tree of summable digits |
423 | TTree* sdigitsTree = loader->TreeS(); | |
424 | if (!sdigitsTree) { | |
425 | AliError("No sdigit tree from digInput"); | |
426 | continue; | |
427 | } | |
428 | ||
429 | // Get the branch | |
430 | TBranch* sdigitsBranch = sdigitsTree->GetBranch("ADSDigit"); | |
431 | if (!sdigitsBranch) { | |
432 | AliError("Failed to get sdigit branch"); | |
433 | return; | |
434 | } | |
435 | ||
436 | // Set the branch address | |
437 | TClonesArray *sdigitsArray = NULL; | |
438 | sdigitsBranch->SetAddress(&sdigitsArray); | |
439 | ||
440 | // Sum contributions from the sdigits | |
441 | // Get number of entries in the tree | |
442 | Int_t nentries = Int_t(sdigitsBranch->GetEntries()); | |
443 | for (Int_t entry = 0; entry < nentries; ++entry) { | |
444 | sdigitsBranch->GetEntry(entry); | |
445 | // Get the number of sdigits | |
446 | Int_t nsdigits = sdigitsArray->GetEntries(); | |
36507bb2 | 447 | |
aa8120bb | 448 | for (Int_t sdigit = 0; sdigit < nsdigits; sdigit++) { |
449 | AliADSDigit* sDigit = static_cast<AliADSDigit*>(sdigitsArray->UncheckedAt(sdigit)); | |
450 | Int_t pmNumber = sDigit->PMNumber(); | |
451 | Int_t nbins = sDigit->GetNBins(); | |
452 | if (nbins != fNBins[pmNumber]) { | |
453 | AliError(Form("Incompatible number of bins between digitizer (%d) and sdigit (%d) for PM %d! Skipping sdigit!", | |
454 | fNBins[pmNumber],nbins,pmNumber)); | |
455 | continue; | |
5e319bd5 | 456 | } |
aa8120bb | 457 | // Sum the charges |
458 | Float_t *charges = sDigit->GetCharges(); | |
459 | for(Int_t iBin = 0; iBin < nbins; ++iBin) fTime[pmNumber][iBin] += charges[iBin]; | |
aa8120bb | 460 | // and the labels |
461 | Int_t *labels = sDigit->GetTracks(); | |
462 | Int_t j = 0; | |
463 | for(Int_t i = 0; i < 3; ++i) { | |
464 | if (fLabels[pmNumber][i] < 0) { | |
465 | if (labels[j] < 0) break; | |
466 | fLabels[pmNumber][i] = labels[j]; | |
467 | j++; | |
468 | } | |
469 | } | |
470 | } | |
471 | } | |
472 | loader->UnloadSDigits(); | |
473 | } | |
474 | } | |
475 | ||
476 | ||
477 | //____________________________________________________________________________ | |
478 | void AliADDigitizer::WriteDigits(AliLoader *loader) | |
479 | { | |
480 | // Take fAdc arrays filled by the previous | |
481 | // method and produce and add digits to the digit Tree | |
482 | ||
483 | loader->LoadDigits("UPDATE"); | |
484 | ||
485 | if (!loader->TreeD()) loader->MakeTree("D"); | |
486 | loader->MakeDigitsContainer(); | |
487 | TTree* treeD = loader->TreeD(); | |
488 | DigitsArray(); | |
489 | treeD->Branch("ADDigit", &fDigits); | |
36507bb2 | 490 | //fAD->MakeBranchInTree(treeD,"AD",&fDigits,1000,""); |
aa8120bb | 491 | |
492 | Short_t *chargeADC = new Short_t[kNClocks]; | |
493 | for (Int_t i=0; i<16; i++) { | |
494 | for (Int_t j = 0; j < kNClocks; ++j) { | |
495 | Int_t tempadc = Int_t(fAdc[i][j]); | |
496 | if (tempadc > 1023) tempadc = 1023; | |
497 | chargeADC[j] = tempadc; | |
498 | } | |
499 | AddDigit(i, fLeadingTime[i], fTimeWidth[i], Bool_t((10+fEvenOrOdd)%2), chargeADC, fLabels[i]); | |
500 | } | |
501 | delete [] chargeADC; | |
502 | ||
503 | treeD->Fill(); | |
504 | loader->WriteDigits("OVERWRITE"); | |
505 | loader->UnloadDigits(); | |
506 | ResetDigits(); | |
507 | } | |
508 | ||
509 | //____________________________________________________________________________ | |
510 | void AliADDigitizer::WriteSDigits(AliLoader *loader) | |
511 | { | |
512 | // Take fTime arrays filled by the previous | |
513 | // method and produce and add sdigits to the sdigit Tree | |
514 | ||
515 | loader->LoadSDigits("UPDATE"); | |
516 | ||
517 | if (!loader->TreeS()) loader->MakeTree("S"); | |
518 | loader->MakeSDigitsContainer(); | |
519 | TTree* treeS = loader->TreeS(); | |
520 | SDigitsArray(); | |
521 | treeS->Branch("ADSDigit", &fDigits); | |
36507bb2 | 522 | //fAD->MakeBranchInTree(treeS,"AD",&fDigits,8000,""); |
aa8120bb | 523 | |
524 | for (Int_t ipmt = 0; ipmt < 16; ++ipmt) { | |
525 | AddSDigit(ipmt,fNBins[ipmt],fTime[ipmt],fLabels[ipmt]); | |
526 | } | |
527 | ||
528 | treeS->Fill(); | |
529 | loader->WriteSDigits("OVERWRITE"); | |
530 | loader->UnloadSDigits(); | |
531 | ResetDigits(); | |
532 | } | |
533 | ||
534 | ||
535 | ||
536 | //____________________________________________________________________________ | |
537 | void AliADDigitizer::AddDigit(Int_t pmnumber, Float_t time, Float_t width, Bool_t integrator, Short_t *chargeADC, Int_t *labels) | |
538 | { | |
539 | ||
540 | // Adds Digit | |
541 | ||
542 | TClonesArray &ldigits = *fDigits; | |
543 | ||
544 | new(ldigits[fNdigits++]) AliADdigit(pmnumber,time,width,integrator,chargeADC,labels); | |
545 | ||
546 | } | |
547 | //____________________________________________________________________________ | |
548 | void AliADDigitizer::AddSDigit(Int_t pmnumber, Int_t nbins, Float_t *charges, Int_t *labels) | |
549 | { | |
550 | ||
551 | // Adds SDigit | |
552 | ||
553 | TClonesArray &ldigits = *fDigits; | |
554 | ||
555 | new(ldigits[fNdigits++]) AliADSDigit(pmnumber,nbins,charges,labels); | |
556 | ||
557 | } | |
558 | //____________________________________________________________________________ | |
559 | void AliADDigitizer::ResetDigits() | |
560 | { | |
561 | ||
562 | // Clears Digits | |
563 | ||
564 | fNdigits = 0; | |
565 | if (fDigits) fDigits->Clear(); | |
566 | } | |
567 | ||
568 | //____________________________________________________________________________ | |
569 | AliADCalibData* AliADDigitizer::GetCalibData() const | |
570 | ||
571 | { | |
572 | /*/ | |
573 | AliCDBManager *man = AliCDBManager::Instance(); | |
574 | ||
575 | AliCDBEntry *entry=0; | |
576 | ||
577 | entry = man->Get("AD/Calib/Data"); | |
578 | ||
579 | AliADCalibData *calibdata = 0; | |
580 | ||
581 | if (entry) calibdata = (AliADCalibData*) entry->GetObject(); | |
582 | if (!calibdata) AliFatal("No calibration data from calibration database !"); | |
583 | /*/ | |
584 | AliADCalibData *calibdata = new AliADCalibData(); | |
585 | ||
586 | return calibdata; | |
587 | ||
5e319bd5 | 588 | } |
589 | ||
590 | //____________________________________________________________________________ | |
aa8120bb | 591 | double AliADDigitizer::SignalShape(double *x, double *par) |
592 | { | |
593 | // this function simulates the time | |
594 | // of arrival of the photons at the | |
595 | // photocathode | |
596 | Double_t xx = x[0]; | |
597 | if (xx <= par[0]) return 0; | |
598 | Double_t a = 1./TMath::Power((xx-par[0])/par[1],1./par[2]); | |
599 | if (xx <= par[3]) return a; | |
600 | Double_t b = 1./TMath::Power((xx-par[3])/par[4],1./par[5]); | |
601 | Double_t f = a*b/(a+b); | |
602 | AliDebug(100,Form("x=%f func=%f",xx,f)); | |
603 | return f; | |
5e319bd5 | 604 | } |
aa8120bb | 605 | |
5e319bd5 | 606 | //____________________________________________________________________________ |
aa8120bb | 607 | double AliADDigitizer::PMResponse(double *x, double * /* par */) |
608 | { | |
609 | // this function describes the | |
610 | // PM time response to a single | |
611 | // photoelectron | |
612 | Double_t xx = x[0]+kPMRespTime; | |
613 | return xx*xx*TMath::Exp(-xx*xx/(kPMRespTime*kPMRespTime)); | |
5e319bd5 | 614 | } |
615 | ||
616 | //____________________________________________________________________________ | |
aa8120bb | 617 | double AliADDigitizer::SinglePhESpectrum(double *x, double * /* par */) |
5e319bd5 | 618 | { |
aa8120bb | 619 | // this function describes the |
620 | // PM amplitude response to a single | |
621 | // photoelectron | |
622 | Double_t xx = x[0]; | |
623 | if (xx < 0) return 0; | |
624 | return (TMath::Poisson(xx,kPMNbOfSecElec)+kPMTransparency*TMath::Poisson(xx,1.0)); | |
625 | } | |
626 | //____________________________________________________________________ | |
627 | TClonesArray* AliADDigitizer::DigitsArray() | |
628 | { | |
629 | // Initialize digit array if not already and | |
630 | // return pointer to it. | |
631 | if (!fDigits) { | |
632 | fDigits = new TClonesArray("AliADdigit", 16); | |
633 | fNdigits = 0; | |
634 | } | |
635 | return fDigits; | |
636 | } | |
637 | ||
638 | //____________________________________________________________________ | |
639 | TClonesArray* AliADDigitizer::SDigitsArray() | |
640 | { | |
641 | // Initialize sdigit array if not already and | |
642 | // return pointer to it. | |
643 | if (!fDigits) { | |
644 | fDigits = new TClonesArray("AliADSDigit", 16); | |
645 | fNdigits = 0; | |
646 | } | |
647 | return fDigits; | |
5e319bd5 | 648 | } |
649 |